XML 64 R52.htm IDEA: XBRL DOCUMENT v3.22.0.1
Summary of Significant Accounting Policies - Advertising Costs (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]      
Advertising costs $ 908 $ 769 $ 775